function DH_fabowen(){
			var biaotiname = document.getElementById("biaotiname").value;
			var biaotiname2 = document.getElementById("biaotiname2").value;
			var pinglun1 = document.getElementById("pinglun1").checked;
			var pinglun2 = document.getElementById("pinglun2").checked;
		
			if(biaotiname.length == 0){
				alert("标题不能为空!");
				return false;
			}
			
			if(biaotiname2.length == 0){
				alert("博文内容不能为空!");
				return false;
			}	
			
			if(pinglun1 == false && pinglun2 == false){
				alert("请选择评论权限!");
				return false;
			}	
		}